api/src/Topxia/Api/Resource/Courses.php

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<?php

namespace Topxia\Api\Resource;

use Silex\Application;
use AppBundle\Common\ArrayToolkit;
use Biz\Course\Service\CourseSetService;
use Symfony\Component\HttpFoundation\Request;

class Courses extends BaseResource
{
    public function get(Application $app, Request $request)
    {
        $conditions = $request->query->all();
        $start = $request->query->get('start', 0);
        $limit = $request->query->get('limit', 20);
        $courses = $this->getCourseService()->searchCourses($conditions, array('createdTime' => 'DESC'), $start, $limit);
        $courses = $this->assemblyCourses($courses);
        $courses = $this->filter($courses);
        $next = $this->getCourseService()->searchCourseCount($conditions);

        return $this->wrap($courses, $next);
    }

    public function discoveryColumn(Application $app, Request $request)
    {
        $conditions = $request->query->all();
        list($orderBy, $count) = $this->getOrderByAndCountByConditions($conditions);
        $conditions = $this->filterConditions($conditions);

        $total = $this->getCourseService()->searchCourseCount($conditions);
        $courses = $this->getCourseService()->searchCourses(
            $conditions,
            $orderBy,
            0,
            $count
        );

        $courses = $this->filter($courses);
        foreach ($courses as $key => $value) {
            $courses[$key]['createdTime'] = strval(strtotime($value['createdTime']));
            $courses[$key]['updatedTime'] = strval(strtotime($value['updatedTime']));
            $userIds = $courses[$key]['teacherIds'];
            $courses[$key]['teachers'] = $this->getUserService()->findUsersByIds($userIds);
            $courses[$key]['teachers'] = array_values($this->multicallFilter('User', $courses[$key]['teachers']));
        }

        return $this->wrap($courses, min($count, $total));
    }

    protected function getOrderByAndCountByConditions($conditions)
    {
        $count = empty($conditions['showCount']) ? 6 : $conditions['showCount'];
        $orderBy = array(
            'hot' => array(
                'hitNum' => 'DESC',
            ),
            'recommend' => array(
                'recommendedSeq' => 'ASC',
                'recommendedTime' => 'DESC',